87809120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{78401}}^1$

素因数の和:78423

約数の個数: 48

約数和(自身を含む): 237087648

約数和(自身を除く): 149278528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 78401, 156802, 313604, 392005, 548807, 627208, 784010, 1097614, 1254416, 1568020, 2195228, 2508832, 2744035, 3136040, 4390456, 5488070, 6272080, 8780912, 10976140, 12544160, 17561824, 21952280, 43904560, 87809120]

約数ペア:

[(1, 87809120), (2, 43904560), (4, 21952280), (5, 17561824), (7, 12544160), (8, 10976140), (10, 8780912), (14, 6272080), (16, 5488070), (20, 4390456), (28, 3136040), (32, 2744035), (35, 2508832), (40, 2195228), (56, 1568020), (70, 1254416), (80, 1097614), (112, 784010), (140, 627208), (160, 548807), (224, 392005), (280, 313604), (560, 156802), (1120, 78401)]